Patent · US Expired

Dental restorative composition

US4431421A · kind A · utility

20Cited by
9References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 1981
Grant dateFeb 14, 1984
Priority date
Expiry dateOct 28, 2001

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K6/887
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Resin-forming dental restorative material comprising a blend of dipentaerythritol penta- and hexa-acrylate or -methacrylate optionally, tetramethylolmethane tri- or tetra-acrylate or tetramethylolmethane tri- or tetra-methacrylate and a filler having a Mohrs' hardness of at least 5.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.